“The self-same atoms which, chaotically dispersed, made the nebula, now, jammed and temporarily caught in peculiar positions, form our brains; and the ‘evolution’ of brains, if understood, would be simply the account of how the atoms came to be so caught and jammed.” –William James
Summer is coming. No, not to Westeros, but to your night skies, and with it, views of the galactic plane and even the galactic center, which holds more than a few surprises inside. In particular, it contains the most famous nebula in the entire night sky: the Eagle Nebula.
But the Eagle itself is not so special as it is representative of a class of objects — star-forming nebulae — that hold the key to understanding the origins of all the stars in all the galaxies in all the Universe, including our own. But the story begins from an unexpected place: a humble cloud of neutral gas.